#include "Socket.hpp"
#include "Common.hpp"
#include "Protocol.hpp"
#include <iostream>
#include <string>
#include <memory>

using namespace SocketModule;

void Usage(std::string proc)
{
    std::cerr << "Usage: " << proc << " port" << std::endl;
}

void GetDataFromStdin(int *x, int *y, char *oper)
{
    std::cout << "Please Enter x:";
    std::cin >> *x;
    std::cout << "Please Enter y:";
    std::cin >> *y;
    std::cout << "Please Enter oper:";
    std::cin >> *oper;
}

int main(int argc, char *argv[])
{
    if (argc != 3)
    {
        Usage(argv[0]);
        exit(USAGE_ERR);
    }
    std::string server_ip = argv[1];
    uint16_t server_port = std::stoi(argv[2]);

    std::shared_ptr<Socket> client = std::make_shared<TcpSocket>();
    client->BuildClientScoketMethod();

    if (client->Connect(server_ip, server_port) != 0)
    {
        // 失败
        std::cerr << "connect error" << std::endl;
        exit(CONNECT_ERR);
    }
    // 链接服务器成功

    std::unique_ptr<Protocol> protocol = std::make_unique<Protocol>();
    std::string resp_buffer;

    while (true)
    {
        // 从标准输入中获取数据
        int x, y;
        char oper;
        GetDataFromStdin(&x, &y, &oper);

        //构建一个请求,得到一个可以发送的字符串
        std::string req_str = protocol->BuidRequestString(x,y,oper);
        std::cout << "----------------encode req string---------------" << std::endl;
        std::cout << req_str <<std::endl;
        std::cout << "------------------------------------------------" << std::endl;


        //发送请求
        client->Send(req_str);

        //获取应答
        Response resp;
        bool res = protocol->GetResponse(client, resp_buffer, &resp);
        if(res == false)
            break;
        //显示结果
        resp.ShowResult();

    }
    client->Close();
    return 0;
}